A-List Hosting (Popularity: )
http://www.a-listhosting.com/ Offers opt-in announcement and discussion list hosting. Site features listserve information, online demo, resources and partner program.
MailerMailer (Popularity: )
http://www.mailermailer.com/ Hosting and management service with detailed tracking and reports for newsletters and marketing campaigns.
Listbox Mailing Lists (Popularity: )
http://www.listbox.com/ Offers two-way discussion lists and one-way announcement lists with web-based tools for maintaining subscribers, sending messages, and features like timed ...